EP3677823B1 - Tube connection device - Google Patents

Tube connection device Download PDF

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Publication number
EP3677823B1
EP3677823B1 EP18913127.9A EP18913127A EP3677823B1 EP 3677823 B1 EP3677823 B1 EP 3677823B1 EP 18913127 A EP18913127 A EP 18913127A EP 3677823 B1 EP3677823 B1 EP 3677823B1
Authority
EP
European Patent Office
Prior art keywords
wall
positioning sleeve
pipe
matching portion
pipe fitting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18913127.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3677823A1 (en
EP3677823A4 (en
Inventor
Xiyong LIN
Zhenbin DIAO
Hao Liu
Ximin LI
Huijian CAO
Hejin ZHANG
Jiajia Cheng
Wenfeng Chen
Wenting LI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rifeng Enterprise Foshan Co Ltd
Rifeng Enterprise Group Co Ltd
Rifeng Technology Co Ltd
Original Assignee
Rifeng Enterprise Foshan Co Ltd
Rifeng Enterprise Group Co Ltd
Rifeng Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rifeng Enterprise Foshan Co Ltd, Rifeng Enterprise Group Co Ltd, Rifeng Technology Co Ltd filed Critical Rifeng Enterprise Foshan Co Ltd
Priority to HRP20230324TT priority Critical patent/HRP20230324T1/hr
Publication of EP3677823A1 publication Critical patent/EP3677823A1/en
Publication of EP3677823A4 publication Critical patent/EP3677823A4/en
Application granted granted Critical
Publication of EP3677823B1 publication Critical patent/EP3677823B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/16—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • F16L33/2078—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member connected to the rigid member via an intermediate element

Definitions

  • the present disclosure relates to the field of a pipe fitting connection technology, and particularly to a pipe fitting connection device.
  • DE 102006034101 A1 discloses a pipe fitting connection device including a pipe fitting body and a positioning sleeve.
  • the pipe fitting body includes a core body and a connecting body.
  • An end of the positioning sleeve matches an end of the connecting body.
  • a mounting cavity is formed between the positioning sleeve and the core body.
  • An outer wall of the positioning sleeve is provided with at least two spaced positioning ribs, and two adjacent positioning ribs match the positioning sleeve to form a clamping groove that matches a caliper tooth.
  • EP 1653142 A1 discloses a pressure coupling including an inner supporting tube and an outer pressure tube.
  • the inner supporting tube includes a core body and a connecting body. An end of the positioning sleeve matches an end of the connecting body. Radial projections formed about the periphery of the pressure tube are aligned to the seal rings fitted around the supporting tube. The seal rings are deformed radially when the end of plastic pipe is fitted between the tubes.
  • a pipe fitting connection device includes: a pipe fitting body including a core body and a connecting body connected to each other, the connecting body provided with a first matching portion; a positioning sleeve sleeving the core body, one end of the positioning sleeve provided with a second matching portion matching the first matching portion, the positioning sleeve spaced from the core body to form a mounting cavity for mounting a pipe, an outer wall of the positioning sleeve provided with at least two spaced positioning ribs, and two adjacent positioning ribs matching the positioning sleeve to form a clamping groove that matches a caliper tooth.
  • the outer wall of the core body is provided with a mounting groove for mounting a sealing ring
  • the mounting groove includes a first side wall away from the connecting body, and the first side wall is provided with a packing groove.
  • the mounting groove further includes a second side wall adjacent to the connecting body, the second side wall is provided with an anti-slip wall, a radial height of the anti-slip wall is greater than a radial height of the sealing ring.
  • the positioning sleeve sleeves the core body along a length direction of the pipe fitting body until the second matching portion matches the first matching portion, thereby implementing the mounting and fixing of the positioning sleeve relative to the pipe fitting body, there is a gap between the positioning sleeve and core body, and the gap forms the mounting cavity for mounting a pipe.
  • a pipe is inserted into the mounting cavity until the pipe abuts against a bottom wall of the mounting cavity, and a caliper is utilized to clamp the positioning sleeve to make the positioning sleeve and the pipe compressed and deformed to implement the sealing.
  • a height of the caliper tooth is lower, such as an H-type caliper and a VP-type caliper, etc.
  • the caliper tooth is placed into the clamping groove, the positioning ribs abut against an inner wall of the caliper, when the caliper bites, a bite force of the caliper tooth causes a bottom wall of the clamping groove to be compressed, meanwhile, a bite force of the inner wall of the caliper also causes the positioning ribs to be compressed, thereby making the pipe deformed and compressed in many places and ensuring the reliability of the sealing between the pipe fitting connection device and the pipe.
  • a height of the caliper tooth is higher, such as a TH-type caliper, an F-type caliper, a U-type caliper, etc.
  • the caliper tooth is placed into the clamping groove, there is a gap between the positioning rib and an inner wall of the caliper, when the caliper bites, a bite force of the caliper tooth causes a bottom wall of the clamping groove to be compressed, meanwhile, the gap between the positioning rib and the inner wall of the caliper is eliminated due to the bite of the caliper.
  • the bite force of the inner wall of the caliper also makes the positioning ribs compressed, and also makes the pipe deformed and compressed in many places, thereby ensuring the reliability of the sealing. Furthermore, an amount of compression of the bottom wall of the clamping groove is further increased after further bite of the caliper, thereby enhancing the sealing performance.
  • an inner wall of the clamping groove is provided with a positioning portion for positioning the caliper tooth.
  • the pipe fitting connection device further includes a retaining ring sleeving the connecting body, the retaining ring is configured to fix the positioning sleeve relative to the core body, and the positioning sleeve, the retaining ring and the core body are matched to form the mounting cavity.
  • the retaining ring includes a retaining ring body provided with a through hole, an inner wall of the through hole is provided with a third matching portion facing the connecting body, and the third matching portion matches the first matching portion.
  • the retaining ring body is provided with a flange, the flange is opposite to and spaced from the third matching portion, the flange extends in a direction opposite to a direction in which the pipe is inserted, the flange is provided with a first protruding portion facing the connecting body, the first protruding portion, the flange and the retaining ring body are matched to form a fourth matching portion snap-fitted with the second matching portion.
  • an inner wall of the mounting cavity is provided with a locking structure
  • the locking structure is disposed on an outer wall of the core body and/or an inner wall of the positioning sleeve, and the locking structure is tightly snap-fitted with the pipe when the pipe is compressed.
  • the connecting body is further provided with a first guiding portion, and the first guiding portion is disposed adjacent to the first matching portion.
  • the positioning sleeve is further provided with a second guiding portion, and the second guiding portion is disposed adjacent to the second matching portion.
  • reference signs 100, pipe fitting body; 110, core body; 111, mounting groove; 112, locking structure; 120, connecting body; 121, first matching portion; 122, first guiding portion; 200, retaining ring body; 210, third matching portion; 220, fourth matching portion; 230, flange; 300, positioning sleeve; 310, positioning rib; 311, peephole; 320, clamping groove; 321, positioning portion; 330, second matching portion; 340, second guiding portion; 400, mounting cavity; 500, sealing ring; 600, pipe; 700, caliper; 710, caliper tooth; 1111, packing groove; 1112, anti-slip wall.
  • a pipe fitting connection device includes: a pipe fitting body 100 including a core body 110 and a connecting body 120 connected to each other, the connecting body 120 is provided with a first matching portion 121; a positioning sleeve 300 sleeving the core body 100, and one end of the positioning sleeve 300 is provided with a second matching portion 330 matching the first matching portion 121, to make the positioning sleeve 300 spaced from the core body 110 to form a mounting cavity 400 for mounting the pipe 600; an outer wall of the positioning sleeve 300 is provided with at least two spaced positioning ribs 310, and two adjacent positioning ribs 310 match the positioning sleeve 300 to form a clamping groove 320 matching the caliper tooth 710.
  • the positioning sleeve 300 sleeves the core body 100 along a length direction of the pipe fitting body 100 until the second matching portion 330 matches the first matching portion 121, thereby implementing the mounting and fixing of the positioning sleeve 300 relative to the pipe fitting body 100.
  • a caliper 700 is utilized to clamp the positioning sleeve 300 to compress and deform the positioning sleeve 300 and the pipe 600, thereby implementing the sealing.
  • a height of the caliper tooth 710 of the caliper 700 is lower, such as an H-type caliper and a VP-type caliper, etc.
  • the caliper tooth 710 is placed into the clamping groove 320, the positioning ribs 310 abut against an inner wall of the caliper 700.
  • a bite force of the caliper tooth 710 causes a bottom wall of the clamping groove 320 to be compressed, meanwhile, a bite force of the inner wall of the caliper 700 also causes the positioning ribs 310 to be compressed, thereby making the pipe 600 deformed and compressed in many places and ensuring the reliability of the sealing between the pipe fitting connection device and the pipe 600.
  • a height of the caliper tooth is higher, such as a TH-type caliper, an F-type caliper, a U-type caliper, etc.
  • the caliper tooth is placed into the clamping groove 320, there is a gap between the positioning ribs 310 and an inner wall of the caliper 700.
  • a bite force of the caliper tooth 710 causes a bottom wall of the clamping groove 320 to be compressed, meanwhile, the gap between the positioning ribs 310 and the inner wall of the caliper 700 is eliminated due to the bite of the caliper 700.
  • the bite force of the inner wall of the caliper 700 also causes the positioning ribs 310 to be compressed, which also makes the pipe 700 deformed and compressed in many places, thereby ensuring the reliability of the sealing.
  • an amount of the compression of the bottom wall of the clamping groove 320 is further increased after the further bite of the caliper 700, thereby enhancing the sealing performance.
  • the match between the first matching portion 121 and the second matching portion 330 can be implemented through the match between a bump and a groove, or through the match between hooks, as long as the match between the first matching portion 121 and the second matching portion 330 enables the positioning sleeve 300 to be mounted and fixed.
  • the two positioning ribs 310 are spaced from and opposite to each other.
  • the caliper 700 is utilized to compress, the caliper tooth 710 is placed into the clamping groove 320. After the caliper 700 is clamped, at least three indentations are formed in the clamping groove 320 and at the two positioning ribs 310, thereby enhancing the sealing performance.
  • two adjacent positioning ribs 310 are spaced from and opposite to each other.
  • the caliper 700 is utilized to compress, the caliper tooth 710 is placed into the clamping groove 320. After the caliper 700 is clamped, at least four indentations are formed in the clamping groove 320 and at the three positioning ribs 310, thereby further enhancing the sealing performance.
  • the inner wall of the clamping groove 320 is provided with a positioning portion 321 for positioning the caliper tooth 710.
  • the positioning portion 321 on the inner wall of the clamping groove 320, such that the caliper tooth 710 of the caliper 700 can be quickly positioned and match the positioning sleeve 300, in order to prepare positioning for the subsequent bite.
  • the positioning portion 321 may be a groove provided on a bottom wall of the clamping groove 320 and capable of matching the caliper tooth 710, or may be an inclined surface provided on a side wall of the clamping groove 320 and capable of matching the side wall of the caliper tooth 710, as long as the positioning portion 321 can fast and conveniently make the caliper tooth 710 positioned.
  • the pipe fitting connection device further includes a retaining ring sleeving the connecting body 120; the retaining ring is configured to fix the positioning sleeve 300 relative to the core body 110; and the positioning sleeve 300, the retaining ring and the core body 110 are matched to form the mounting cavity 400.
  • the retaining ring sleeves the connecting body 120 along the length direction of the pipe fitting body 100 until the retaining ring is on the connecting body 120.
  • the mounting and fixing of the positioning sleeve 300 relative to pipe fitting body 100 are implemented by using the match between the retaining ring and the positioning sleeve 300.
  • the positioning sleeve 300, the retaining ring and the core body 110 are matched to form the mounting cavity 400 for the pipe 600 to insert, and the pipe 600 is inserted until it abuts against the retaining ring.
  • the retaining ring includes a retaining ring body 200, the retaining ring body 200 is provided with a through hole, an inner wall of the through hole is provided with a third matching portion 210 facing the connecting body 120, and the third matching portion 210 matches the first matching portion 121.
  • the core body 110 and the connecting body 120 respectively pass through the through hole, until the third matching portion 210 matches the first matching portion 121 on the connecting body 120, thereby implementing the mounting and fixing of the retaining ring body 200.
  • the match between the third matching portion 210 and the first matching portion 121 can be implemented by the match between a bump and a groove or by the match between hooks, as long as the match between the third matching portion 210 and the first matching portion 121 enables the retaining ring body 200 to be mounted and fixed.
  • the retaining ring body 200 is further provided with a flange 230, the flange 230 is opposite to and spaced from the third matching portion 210, the flange 230 extends in a direction opposite to a direction in which the pipe 600 is inserted, the flange 230 is provided with a first protruding portion facing the connecting body 120; and the first protruding portion, the flange 230 and the retaining ring body 200 are match to form a fourth matching portion 220 snap-fitted with the second matching portion 330.
  • the positioning sleeve 300 sleeves the core body 110 until the second matching portion 330 matches the fourth matching portion 220, thereby implementing the mounting and fixing of the positioning sleeve 300.
  • the match between the second matching portion 330 and the fourth matching portion 220 can be implemented by the match between a bump and a groove, or by the match between hooks, as long as the match between the second matching portion 330 and the fourth matching portion 220 enables the positioning sleeve 300 to be mounted and fixed.
  • an inner wall of the mounting cavity 400 is provided with a locking structure 112, the locking structure 112 is disposed on an outer wall of the core body 110 and/or an inner wall of the positioning sleeve 300, and the locking structure 112 is tightly snap-fitted with the pipe 600 when the pipe 600 is compressed.
  • the positioning sleeve 300 is compressed and deformed under the action of the caliper 700, the pipe 600 is also compressed and deformed accordingly.
  • the locking structure 112 is tightly snap-fitted with the outer wall of the pipe 600, to prevent the pipe 600 from loosening with respect to the inner wall of the mounting cavity 400 and falling off.
  • the locking structure 112 can be provided as the caliper tooth 710 inclined with respect to the core body 110, the deformed pipe 600 fills a gap between the adjacent caliper teeth 710 to lock the pipe 600, thereby avoiding a gap formed by thermal expansion and contraction, and ensuring the sealing performance.
  • the caliper tooth 710 is a triangular helical tooth.
  • the caliper tooth 710 may be a trapezoidal helical tooth or the like.
  • the locking structure 112 may be disposed on the outer wall of the core body 110 or an inner wall of the positioning sleeve 300, respectively, or may be simultaneously disposed on both the outer wall of the core body 110 and the inner wall of the positioning sleeve 300 to enhance the sealing effect.
  • the outer wall of the core body 110 is provided with a mounting groove 111 for mounting a sealing ring 500.
  • the mounting groove 111 includes a first side wall away from the connecting body 120, and the first side wall is provided with a packing groove 1111.
  • the sealing ring 500 is placed into the mounting groove 111 on the core body 110.
  • a plurality of mounting grooves 111 may be provided at intervals along a length direction of the core body 110, and then the retaining ring passes through the core body 110 to the connecting body 120, such that the match between the third matching portion 210 on the retaining ring and the first matching portion 121 on the connecting body 120 is implemented, to make the retaining ring sleeve the connecting body 120, and then the positioning sleeve 300 sleeves the core body 110 until the second matching portion 330 at an end portion of the positioning sleeve 300 is snap-fitted with the fourth matching portion 220 on the retaining ring. After the second matching portion 330 matches the fourth matching portion 220, the positioning sleeve 300 is space from the core body 110.
  • the positioning sleeve 300, the core body 110, and the retaining ring are matched to form the mounting cavity 400.
  • the first side wall of the mounting groove 111 is provided with a packing groove 1111. A portion of the pipe 600 corresponding to the packing groove 1111 can sink into the packing groove 1111 when the pipe 600 is compressed and deformed, and then can further contact the sealing ring 500, such that the sealing ring 500 is further compressed and deformed to completely fill the mounting groove 111, thereby preventing the displacement of the sealing ring 500 because the sealing ring 500 does not completely fill the mounting groove 111 in the subsequent use process, and avoiding a gap caused by the displacement of sealing ring 500.
  • the depth L1 of the packing groove 1111 ranges from 0.5mm to 0.7mm, and the width L2 of the packing groove 1111 ranges from 0.5mm to 1mm.
  • the sealing ring 500 can be compressed to completely fill the mounting groove 111.
  • the sealing ring 500 can be an element capable of sealing, such as an O-ring.
  • the sealing ring 500 can be made of an elastic material, so that the sealing ring 500 can be deformed after compression to fill the mounting groove 111, thereby enhancing the sealing performance.
  • the mounting groove 111 further includes a second side wall adjacent to the connecting body 120.
  • the second side wall is provided with an anti-slip wall 1112, a radial height of the anti-slip wall 1112 is greater than a radial height of the sealing ring 500.
  • the side wall of the pipe 600 abuts against the anti-slip wall 1112 when the pipe 600 is inserted into the mounting cavity 400, such that there is a gap between the side wall of the pipe 600 and the sealing ring 500 in order to avoid a situation where the pipe 600 contacts the sealing ring 500 to make the sealing ring 500 arched and displaced during the insertion of the pipe 600.
  • a radial height difference L3 ranges from 0.1mm to 0.3mm. At this time, it can not only indicate whether the clamping is performed, but also ensure that a reliable sealing can be implemented after the subsequent compression.
  • the connecting body 120 is further provided with a first guiding portion 122, and the first guiding portion 122 is disposed adjacent to the first matching portion 121.
  • the arrangement of the first guiding portion 122 enables the retaining ring to be smoothly moved until the third matching portion 210 matches the first matching portion 121.
  • the first guiding portion 122 is a guiding inclined surface, and the guiding inclined surface is inclined toward the first matching portion 121, that is, one end of the guiding inclined surface adjacent to the first matching portion 121 is higher than one end of the guiding inclined surface away from the first matching portion 121.
  • the inner wall of the through hole first abuts against the guiding inclined surface, when an external force toward the connecting body 120 is continuously applied, the inner wall of the cavity moves along the guiding inclined surface until the second matching portion 330 matches the first matching portion 121, and the guiding inclined surface can also effectively prevent the retaining ring from falling off.
  • the positioning sleeve 300 is further provided with a second guiding portion 340, and the second guiding portion 340 is disposed adjacent to a second snap-fitting portion.
  • the arrangement of the second guiding portion 340 enables the second matching portion 330 on the positioning sleeve 300 to smoothly match the fourth matching portion 220 on the retaining ring.
  • the second guiding portion 340 is a circular arc-shaped transition end portion.
  • the circular arc-shaped transition end portion can be smoothly embedded into the retaining ring, such that the end portion of the positioning sleeve 330 is constricted, to make the second matching portion 330 match the fourth matching portion 220, thereby implementing the mounting and fixing of the positioning sleeve 300.
  • the positioning rib 310 is provided with a peephole 311 communicated with the mounting cavity 400.
  • the peephole 311 can be utilized to determine the depth of the pipe 600 inserted into the mounting cavity 400. Only when the depth of the pipe 600 inserted into the mounting cavity 400 satisfies a preset condition, the sealing performance can be effectively guaranteed after compression.
  • the peephole 311 can be disposed on a positioning rib 310 adjacent to the retaining ring, and then it can be determined whether the pipe 600 is inserted to abut against the retaining ring.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Processing Of Terminals (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joints With Sleeves (AREA)
EP18913127.9A 2018-03-27 2018-07-27 Tube connection device Active EP3677823B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20230324TT HRP20230324T1 (hr) 2018-03-27 2018-07-27 Uređaj za spajanje cijevi

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810260206.6A CN108278427B (zh) 2018-03-27 2018-03-27 管件连接装置
PCT/CN2018/097612 WO2019184167A1 (zh) 2018-03-27 2018-07-27 管件连接装置

Publications (3)

Publication Number Publication Date
EP3677823A1 EP3677823A1 (en) 2020-07-08
EP3677823A4 EP3677823A4 (en) 2021-01-06
EP3677823B1 true EP3677823B1 (en) 2023-01-11

Family

ID=62810578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18913127.9A Active EP3677823B1 (en) 2018-03-27 2018-07-27 Tube connection device

Country Status (8)

Country Link
EP (1) EP3677823B1 (zh)
CN (1) CN108278427B (zh)
DK (1) DK3677823T3 (zh)
ES (1) ES2942005T3 (zh)
FI (1) FI3677823T3 (zh)
HR (1) HRP20230324T1 (zh)
PL (1) PL3677823T3 (zh)
WO (1) WO2019184167A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108278427B (zh) * 2018-03-27 2020-04-24 日丰企业（佛山）有限公司 管件连接装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407532A (en) * 1981-01-26 1983-10-04 Dana Corporation Hose end fitting
KR200352641Y1 (ko) * 2004-03-16 2004-06-05 대 교 최 압착식관 연결구
DE102004052390B4 (de) * 2004-10-28 2016-06-02 Fränkische Rohrwerke Gebr. Kirchner GmbH + Co. KG Pressverbindung mit multiplen Funktionen
CN2814090Y (zh) * 2005-03-31 2006-09-06 佛山市日丰企业有限公司 一种钳压式金属管件连接装置
CN2783094Y (zh) * 2005-04-28 2006-05-24 佛山市日丰企业有限公司 一种快速安装的卡压式管件
US7806442B2 (en) * 2006-03-03 2010-10-05 Parker-Hannifin Corporation Hose coupling with molded seal insert
DE102006034101A1 (de) * 2006-07-20 2008-02-07 VETEC GmbH Verbindungstechnologie für Versorgungssysteme Hülse und Kombination von Hülse mit Presswerkzeug
CN200943796Y (zh) * 2006-09-14 2007-09-05 佛山市日丰企业有限公司 一种卡压式管件
ITMI20070811A1 (it) * 2007-04-19 2008-10-20 Co E S S P A Raccordo a pressare, particolarmente per tubi multistrato.
JP5744111B2 (ja) * 2013-06-07 2015-07-01 株式会社ブリヂストン シール構造、及び管継手
CN208169738U (zh) * 2018-03-27 2018-11-30 日丰企业（佛山）有限公司 管件连接装置
CN108278427B (zh) * 2018-03-27 2020-04-24 日丰企业（佛山）有限公司 管件连接装置

Also Published As

Publication number Publication date
PL3677823T3 (pl) 2023-05-08
CN108278427A (zh) 2018-07-13
HRP20230324T1 (hr) 2023-05-26
ES2942005T3 (es) 2023-05-29
FI3677823T3 (fi) 2023-04-18
CN108278427B (zh) 2020-04-24
WO2019184167A1 (zh) 2019-10-03
DK3677823T3 (da) 2023-04-17
EP3677823A1 (en) 2020-07-08
EP3677823A4 (en) 2021-01-06

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